Rock Identifier

Category

Mineral (Synthetic)

Browse mineral (synthetic) specimens identified by the Rock Identifier community.

Learn about Mineral (Synthetic) in the encyclopedia

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Zincite

Zincite

Opalite

Opalite

Lead Feldspar

Lead Feldspar

Glauconite

Glauconite

Hutcheonite

Hutcheonite

Halite

Halite

Sperrylite

Sperrylite

Baddeleyite

Baddeleyite

Anatase

Anatase

Brookite

Brookite

Talc

Talc

Snowflake Obsidian (Obsidian with Cristobalite inclusions) — igneous

Snowflake Obsidian

Obsidian with Cristobalite inclusions

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Granite Pebbles (Granite (composed primarily of Quartz SiO2, Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8), and Mica)) — igneous

Granite Pebbles

Granite (composed primarily of Quartz SiO2, Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8), and Mica)

Nickel coin (U.S. currency) (Cupronickel (75% Copper, 25% Nickel alloy)) — man-made alloy (metallic)

Nickel coin (U.S. currency)

Cupronickel (75% Copper, 25% Nickel alloy)

man-made alloy (metallic)

Amygdaloidal Basalt (Amygdaloidal Mafic Volcanic Rock) — igneous

Amygdaloidal Basalt

Amygdaloidal Mafic Volcanic Rock

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Sandstone with Magnetite and Iron Staining (Clastic Sedimentary Rock (contains Fe3O4 and Limonite/Hematite)) — sedimentary

Sandstone with Magnetite and Iron Staining

Clastic Sedimentary Rock (contains Fe3O4 and Limonite/Hematite)

Limonite/Goethite Nodule (Iron Oxyhydroxide (primarily FeO(OH)·nH2O)) — mineral

Limonite/Goethite Nodule

Iron Oxyhydroxide (primarily FeO(OH)·nH2O)

Arsenopyrite in Quartz Matrix (Arsenopyrite (FeAsS) with Quartz (SiO2)) — mineral

Arsenopyrite in Quartz Matrix

Arsenopyrite (FeAsS) with Quartz (SiO2)

Epidote in Matrix (Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)) — metamorphic

Epidote in Matrix

Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)

Amygdaloidal Basalt with Secondary Minerals (Basalt containing secondary mineralization (likely Chlorite, Celadonite, or Zeolites)) — igneous

Amygdaloidal Basalt with Secondary Minerals

Basalt containing secondary mineralization (likely Chlorite, Celadonite, or Zeolites)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Fluorite (Fluorite (Calcium Fluoride - CaF2)) — mineral

Fluorite

Fluorite (Calcium Fluoride - CaF2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Rainbow Fluorite (Calcium Fluoride (CaF2)) — mineral

Rainbow Fluorite

Calcium Fluoride (CaF2)

Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite

Fluorite (Calcium Fluoride, CaF2)

Note regarding baguette production (not a rock) (Digital text image - Somali language) — not a rock

Note regarding baguette production (not a rock)

Digital text image - Somali language

Gossan (with Limonite/Hematite coating) (Ferruginous Gossan (Fe2O3·nH2O / Fe2O3)) — sedimentary

Gossan (with Limonite/Hematite coating)

Ferruginous Gossan (Fe2O3·nH2O / Fe2O3)

Sandstone (Arenite (SiO2 + various cementing minerals)) — sedimentary

Sandstone

Arenite (SiO2 + various cementing minerals)

Amygdaloidal Basalt (Amygdaloidal Basalt (with secondary mineral infilling)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (with secondary mineral infilling)

Bauxite (Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)) — sedimentary

Bauxite

Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)

Red Sandstone (Iron-stained) (Clastic sedimentary rock (primarily Quartz with Iron Oxides)) — sedimentary

Red Sandstone (Iron-stained)

Clastic sedimentary rock (primarily Quartz with Iron Oxides)

Turquoise (Hydrated phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Hydrated phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O

Granite (Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)

Amygdaloidal Basalt (Amygdaloidal Basalt) — Igneous

Amygdaloidal Basalt

Amygdaloidal Basalt

Turquoise (CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminum)) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminum)

Malachite (Copper carbonate hydroxide [Cu2CO3(OH)2]) — mineral

Malachite

Copper carbonate hydroxide [Cu2CO3(OH)2]

Iron-stained Quartz (Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Goethite) inclusions) — mineral

Iron-stained Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Goethite) inclusions

Selenite (Satin Spar) (Gypsum (CaSO4·2H2O)) — mineral

Selenite (Satin Spar)

Gypsum (CaSO4·2H2O)

Mica Schist (Mica Schist (primarily Muscovite or Biotite sheet silicates)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

Limonite (often after Pyrite) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (often after Pyrite)

Limonite (FeO(OH)·nH2O)

Calcite (Calcite (Mineral; CaCO₃)) — Mineral

Calcite

Calcite (Mineral; CaCO₃)

Hematite (likely Botryoidal or Specularite variant) (Iron(III) oxide (Fe2O3)) — mineral

Hematite (likely Botryoidal or Specularite variant)

Iron(III) oxide (Fe2O3)

Hematite (Hematite (Iron(III) oxide, Fe2O3)) — mineral

Hematite

Hematite (Iron(III) oxide, Fe2O3)

Native Copper Nugget (Native Copper (Cu)) — mineral

Native Copper Nugget

Native Copper (Cu)

Geode (Calcite or Quartz) (Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)) — sedimentary

Geode (Calcite or Quartz)

Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Granodiorite (Granodiorite (Intermediate intrusive igneous rock)) — igneous

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Limonite (Iron Ore) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)